Method for plating nickel on aluminum and aluminum alloy coiled material

An aluminum alloy and coil technology, which is applied in the field of nickel plating on aluminum and aluminum alloy coils, can solve the problems of immaturity, inability to overcome the continuous electroplating process of coils, and the inability of production methods to meet customer requirements. solid effect

Inactive Publication Date: 2017-10-20
尼尔金属(苏州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As the production process of electronic products becomes more and more mature, the requirements for suppliers are also getting higher and higher. When the products need to be welded, the weight of the single chip is lighter, and the production speed is faster, the traditional production methods can no longer meet the needs of customers. Require
[0004] The traditional electroplating method cannot overcome the continuous electroplating process of coils. Although there are continuous electroplating production processes in the market, the process of electroplating nickel on aluminum alloy coils is not yet mature. Therefore, in order to realize continuous electroplating of coils The process still needs to overcome technical difficulties

Method used

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Embodiment Construction

[0023] In the prior art, the raw materials are stamped and then electroplated with nickel for monolithic shaped products.

[0024] The invention uses a special electroplating process to electroplate metal nickel on the surface of the aluminum material to form a firmly bonded, sub-bright, dense, uniform and continuous coating on the surface of the aluminum alloy. The surface of the electroplated aluminum material has the characteristics of nickel and the advantages of aluminum, and can be widely used in electronic product components such as mobile phones and computer communications.

[0025] The concrete technical scheme of the present embodiment is:

[0026] A method for nickel plating on aluminum and aluminum alloy coils, comprising the steps of:

[0027] Step 1. Ultrasonic degreasing and degreasing process: at a temperature of 40-60°C, immerse the aluminum alloy strip in an alkaline degreaser solution with a concentration of 30-60g / L for 7-12 seconds, then water Wash more ...

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Abstract

The invention discloses a method for plating nickel on aluminum and aluminum alloy coils. After the coils are unrolled, the following steps are successively carried out successively: step 1, degreasing and degreasing the surface of the coils; step 2, pickling the surface of the coils; Step 3, zinc immersion on the surface of the coil for the first time; step 4, zinc stripping; step 5, zinc immersion on the surface of the coil for the second time; The anode is immersed in a mixed solution containing nickel sulfamate, nickel chloride, boric acid, nickel softener, and nickel brightener, and then washed with pure water for more than one time. The invention realizes the continuous electroplating process of the aluminum alloy coil, that is, the nickel electroplating process of the aluminum alloy coil, and forms a firmly bonded, sub-bright, dense, uniform and continuous coating on the surface of the aluminum alloy. The surface of the electroplated aluminum material has the characteristics of nickel and the advantages of aluminum material at the same time.

Description

technical field [0001] The invention relates to a method for plating nickel on metal substrates, in particular to a method for plating nickel on aluminum and aluminum alloy coils, and belongs to the technical field of metal surface processing. Background technique [0002] The electroplating process is the process of plating a thin layer of other metals or alloys on the metal surface using the principle of electrolysis. It is a process of using electrolysis to attach a layer of metal film to the surface of metal or other material parts to prevent metal oxidation (such as Rust), improve wear resistance, electrical conductivity, reflectivity, corrosion resistance and enhance the appearance. [0003] The traditional electroplating production method is: first find material manufacturers to purchase materials, then go to stamping and forming, then electroplating, and finally return to users. This method adds additional intermediate links, transportation costs, time costs, etc. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D5/44C25D3/12C25D7/06
CPCC25D5/44C25D3/12C25D7/0614
Inventor 陈志强黄振成
Owner 尼尔金属(苏州)有限公司
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